Cutter-bar for harvesters



(No Model.) I v.

Y N. BOREN, Jr.

GUTTERBAR POR HARVESTERS.

No. 256,279. Patented Apr. 1l, 1882.

M lJv/EJVTOR I .attorneys N. PETERS. PhnlwLivbngnpher, washingmn. D. C.

UNITED STATES PATENT EFICE.

Nic. BoEEN, JE., oF HAUBsTADT, INDIANA.

CUTTER-BAR FOR HARVESTERS.

SPECIFICATION forming part of Letters Patent No. 256,279, dated April11, 1882.

Applicationtild September 1, 1881. (No model.)

To all zehom it may concern Be itknown that I, NIe.BoREN, Jr.,ofHaubstadt, in the county ot' Gibson and Stateof Indiana., haveinvented certain new and useful Improvements -in Cutter-Bars; and I dohereby declare that the following; is a full, clear, and exactdescription of the invention, which will enable others skilled in theart to whichit appertains to make and use the same, reference being hadto the accompanying drawings, which form a part of this specification.

Figure l is a plan view of my improved cutter-bar for harvesters withtheknives or critters in position. Fig. 2 is a plan view of one of theknives or cutters detached. Fig. 3 is a detail view ofthe bar, thecutters having' been removed; Fig. 4, a side view ofthe device complete.Fig. 5 is a longitudinal vertical sectional view, and Fig. 6 is avertical cross-section.

Corresponding parts in the several figures are denoted by like lettersof reference.

This invention relates to cutter-bars for harvesting-machines; and itconsists in certain improvements in the construction of the same,

by which the knives maybe separately and detachably secured, as will behereinafter more fully` described', and particularly pointed out in theclaim.

In the drawings hereto annexed, A represents the cutterbar, which isprovided with a longitudinal dovetailed or otherwise suitablyconstructedrecess, B, in which is fitted a slide, C, having at one end a. stop, D,and at the other end a threaded projection, E, extending through the endot' the cutter-bar, and having a nut, F.

The edges of the upper side of the cutterbar are provided with twoparallel rows of upward-projecting studs, G G, and the slide C has asimilar row of studs, H.

The knives or critters, which are represented by the letter I, areprovided on one side with a single deep central recess, J, locatedbetween two notches, K K. The other side of the teeth is provided onlywith a centrally-located notch, L.

In operation the teeth are adjusted, as shown, between the studs G Hofthe cutter-bar A and slide C, the recesses Jin the teeth permittingthe latter to be adjusted while the slide C is slid ont. By tighteningthe nutF the bar and slide are drawn together, thus clamping the teethand retaining them all securely in position.

By this invention a single tooth may be at any time readily removed fromthe cutter-bar and a new one substituted, and the construction issiinple,inexpensive, and easily applied to machines now in use.

Having thus described my invention, I claim and desire to secure byLetters Patent ofthe United States- As an improvement in cutter-bars forhar vesters, the combination of the grooved or recessed bar A, havingstuds G G on both sides of the central longitudinal recess B, thesliding bar C, having stop D, threaded projection E, and studs H, thenut F, and the removable knives or cutters I, having notches K K L, andrecesses J formed in one side between the notches K K, as hereindescribed, for the purpose shown and specified.

In testimony that I claim the foregoing as my own I have hereto affixedmy signature in presence of two witnesses.

Nro. BOEEN, JR.

Witnesses: O JOHN KIMBERLIN, J oHN H. BoREN.

